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    • 3. 发明申请
    • PRESSURE SENSOR
    • 压力传感器
    • US20100083765A1
    • 2010-04-08
    • US12574075
    • 2009-10-06
    • Masayuki YonedaTomohisa Tokuda
    • Masayuki YonedaTomohisa Tokuda
    • G01L9/06
    • G01L9/0054G01L9/065
    • A pressure sensor according to the present invention comprises: a differential pressure diaphragm; a static pressure diaphragm, which is provided to an outer perimeter part of the differential pressure diaphragm; a first static pressure gauge pair that is formed in the end part of the static pressure diaphragm and comprises two static pressure gauges, which are disposed such that they sandwich the differential pressure diaphragm; and a second static pressure gauge pair that is formed in the center part of the static pressure diaphragm and comprises two static pressure gauges which are disposed such that they sandwich the differential pressure diaphragm.
    • 根据本发明的压力传感器包括:差压隔膜; 静压膜,其设置在差压隔膜的外周部; 第一静压计对,其形成在静压隔膜的端部,并包括两个静压计,它们被设置成它们夹在压差隔膜上; 以及形成在静压隔膜的中心部分的第二静压计对,并且包括两个静压计,它们被设置成使得它们夹在差压隔膜上。
    • 4. 发明申请
    • PRESSURE SENSOR
    • 压力传感器
    • US20080202248A1
    • 2008-08-28
    • US12035539
    • 2008-02-22
    • Hirofumi TojoMasayuki YonedaTomohisa Tokuda
    • Hirofumi TojoMasayuki YonedaTomohisa Tokuda
    • G01L9/06
    • G01L9/0042
    • In a pressure sensor comprising a diaphragm formed on a portion of a chip made of semiconductor material and that senses pressure on the diaphragm by electrically converting the displacement corresponding to that pressure, the provision of the diaphragm with an aspect ratio of at least a size such that the derivative of the characteristic curve of the allowable pressure resistance of the pressure sensor, defined by setting the aspect ratio obtained by dividing the length of one side of the diaphragm by the thickness of the diaphragm as the horizontal axis and by setting the allowable pressure resistance of the pressure sensor as the vertical axis, becomes nearly zero, enables a pressure sensor having high sensitivity and high pressure resistance.
    • 在压力传感器中,包括形成在由半导体材料制成的芯片的一部分上的隔膜,并通过电转换对应于该压力的位移来感测隔膜上的压力,提供具有至少尺寸等于 通过将通过将隔膜的一侧的长度除以膜片的厚度作为水平轴而获得的纵横比设定为压力传感器的允许压力电阻的特性曲线的导数,并且通过设定容许压力 作为垂直轴的压力传感器的电阻变为接近零,能够实现具有高灵敏度和高耐压性的压力传感器。
    • 5. 发明授权
    • Pressure sensor
    • 压力传感器
    • US08161820B2
    • 2012-04-24
    • US12574075
    • 2009-10-06
    • Masayuki YonedaTomohisa Tokuda
    • Masayuki YonedaTomohisa Tokuda
    • G01L9/06
    • G01L9/0054G01L9/065
    • A pressure sensor according to the present invention comprises: a differential pressure diaphragm; a static pressure diaphragm, which is provided to an outer perimeter part of the differential pressure diaphragm; a first static pressure gauge pair that is formed in the end part of the static pressure diaphragm and comprises two static pressure gauges, which are disposed such that they sandwich the differential pressure diaphragm; and a second static pressure gauge pair that is formed in the center part of the static pressure diaphragm and comprises two static pressure gauges which are disposed such that they sandwich the differential pressure diaphragm.
    • 根据本发明的压力传感器包括:差压隔膜; 静压膜,其设置在差压隔膜的外周部; 第一静压计对,其形成在静压隔膜的端部,并包括两个静压计,它们被设置成它们夹在压差隔膜上; 以及形成在静压隔膜的中心部分的第二静压计对,并且包括两个静压计,它们被设置成使它们夹在差压隔膜上。
    • 8. 发明授权
    • Pressure sensor
    • 压力传感器
    • US07497126B2
    • 2009-03-03
    • US12035539
    • 2008-02-22
    • Hirofumi TojoMasayuki YonedaTomohisa Tokuda
    • Hirofumi TojoMasayuki YonedaTomohisa Tokuda
    • G01L9/06
    • G01L9/0042
    • In a pressure sensor comprising a diaphragm formed on a portion of a chip made of semiconductor material and that senses pressure on the diaphragm by electrically converting the displacement corresponding to that pressure, the provision of the diaphragm with an aspect ratio of at least a size such that the derivative of the characteristic curve of the allowable pressure resistance of the pressure sensor, defined by setting the aspect ratio obtained by dividing the length of one side of the diaphragm by the thickness of the diaphragm as the horizontal axis and by setting the allowable pressure resistance of the pressure sensor as the vertical axis, becomes nearly zero, enables a pressure sensor having high sensitivity and high pressure resistance.
    • 在压力传感器中,包括形成在由半导体材料制成的芯片的一部分上的隔膜,并通过电转换对应于该压力的位移来感测隔膜上的压力,提供具有至少尺寸等于 通过将通过将隔膜的一侧的长度除以膜片的厚度作为水平轴而获得的纵横比设定为压力传感器的允许压力电阻的特性曲线的导数,并且通过设定容许压力 作为垂直轴的压力传感器的电阻变为接近零,能够实现具有高灵敏度和高耐压性的压力传感器。